A woman in South Carolina ordered the tasty treat online to celebrate her son graduating from his homeschool program with a 4.79 GPA … earning Summa Cum Laude honors.

But, when she sent a friend to pick up the cake, the word “Cum” was edited out — an apparent violation of the grocery store’s obscenity policy!!!!

“My son was humiliated,” the woman posted on her Facebook page … “I seriously couldn’t make this crap up!!!”

“How utterly ridiculous and I will be speaking to a manager for a refund. Shame on you Publix for turning an innocent Latin phrase into a total embarrassment for having to explain to my son and others (including my 70 year old mother) about this joke of a cake.”